Abstract
Interaction of [AlH3(NMe3)] and [AlH2Cl(NMe3)] with HOR1(R1= C6H2But2-2,6-Me-4) allows for the isolation of [AlH2(OR1)(NMe3)]1 and [AI(H)Cl(OR1)(NMe3)]2 respectively. Compound 1 exists in both mono- and di-meric forms in the solid state. The reaction of 1 with NH2But results in ligand redistribution to give [AIH(OR1)2(NH2But)]3. Similarly, multiple recrystallisation of 1 from Et2O allows for the isolation of [AIH(OR1)2(OEt2)]4, while addition of HOR2(R2= C6H3Ph2-2,6) to 1 yields the mixed aryloxide complex [AIH(OR1)(OR2)(NMe3)]5. Interaction of compound 1 with benzophenone results in the formation of the bridged dimer [{AIH(OR1)(µ-OCHPh2)}2]6. The reaction of 3 molar equivalents of HOR1 with LiAlH4 yields, in addition to [{Li(OR1)(OEt2)}2], compound 4, which reacts futher with H2O, HOR1 or NH2C6H2Cl3-2,4,6 to give [{AI(µ-OH)(OR1)2}2]7, [AI(OR1)3]8 or [AI(OR1)2(NHC6H2Cl3-2,4,6)]13 respectively. Compounds 8 and 13 form stable Lewis acid–base complexes [Al(OR1)3L][L = MeCN 9, pyridine (py)10, OPPh311 or OC(C5H9)But-4 12] and [Al(OR1)2(NHC6H2Cl3-2,4,6)L](L = Et2O 14, py 15 or 3,5-dimethylpyridine 16). The presence of a slow ligand exchange for compound 9 and 12 was investigated by 1H NMR spectroscopy. The molecular structures of 1, 3, 4, 8 and 12 have been confirmed by X-ray crystallography.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Journal of the Chemical Society, Dalton Transactions
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
